답안 #29384

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
29384 2017-07-19T08:11:15 Z cki86201 곤돌라 (IOI14_gondola) C++11
60 / 100
33 ms 5344 KB
#include "gondola.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <bitset>

using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) ((int)(x).size())
#define rep(i, n) for(int i=0;i<n;i++)
#define all(x) (x).begin(), (x).end()
typedef tuple<int, int, int> t3;
typedef pair<ll, ll> Pll;
typedef long double ldouble;

int vchk[250050] = {};
int valid(int n, int inputSeq[])
{
    int L = *max_element(inputSeq, inputSeq + n);
    rep(i, L+1) vchk[i] = -1;
    rep(i, n) {
        if(vchk[inputSeq[i]] != -1) return 0;
        vchk[ inputSeq[i] ] = i;
    }
    pii f = pii(-1, -1);
    for(int i=0;i<n;i++) if(inputSeq[i] <= n) f = pii(inputSeq[i], i);
    if(f == pii(-1, -1)) return 1;
    for(int i=0;i<n;i++) if(inputSeq[i] <= n) {
        int exp = (i - f.Se) + f.Fi;
        if(exp > n) exp -= n;
        if(exp <= 0) exp += n;
        if(exp != inputSeq[i]) return 0;
    }
    return 1;
}

//----------------------

int ep[250050];

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int L = *max_element(gondolaSeq, gondolaSeq + n);
    rep(i, L+1) vchk[i] = -1;
    rep(i, n) vchk[ gondolaSeq[i] ] = i;
    int ret = L - n;
    
    pii f = pii(-1, -1);
    for(int i=0;i<n;i++) if(gondolaSeq[i] <= n) f = pii(gondolaSeq[i], i);
    if(f == pii(-1, -1)) f = pii(1, 0);
    for(int i=0;i<n;i++) {
        int exp = (i - f.Se) + f.Fi;
        if(exp > n) exp -= n;
        if(exp <= 0) exp += n;
        ep[i] = exp;
    }
    
    int now = ret;
    for(int i=L, j=L;i>n;i--) {
        while(vchk[j] != -1) --j;
        if(j > n || ep[vchk[i]] == j) vchk[j] = vchk[i], replacementSeq[--now] = j;
        else {
            int t = ep[vchk[i]];
            vchk[t] = vchk[i], replacementSeq[--now] = t;
        }
        
    }
    
    return ret;
}

//----------------------

int pw(int x, int y, int MOD) {
    int res = 1;
    while(y) {
        if(y & 1) res = (ll)res * x % MOD;
        x = (ll)x * x % MOD;
        y >>= 1;
    }
    return res;
}

int countReplacement(int n, int inputSeq[])
{
    const int MOD = 1e9 + 9;
    int L = *max_element(inputSeq, inputSeq + n);
    
    vector <int> T; rep(i, n) T.pb(inputSeq[i]); sort(all(T));
    for(int i=1;i<sz(T);i++) if(T[i] == T[i-1]) return 0;
    
    pii f = pii(-1, -1);
    for(int i=0;i<n;i++) if(inputSeq[i] <= n) f = pii(inputSeq[i], i);
    int flag = 1;
    int cc = 0;
    if(f != pii(-1, -1)) {
        flag = 0;
        for(int i=0;i<n;i++) {
            int exp = (i - f.Se) + f.Fi;
            if(exp > n) exp -= n;
            if(exp <= 0) exp += n;
            if(inputSeq[i] <= n && inputSeq[i] != exp) return 0;
            if(inputSeq[i] > n) ++cc;
        }
    }
    else cc = n;
    ll ans = 1;
    if(flag) ans = n;
    ans = ans * pw(cc, L - n - cc, MOD) % MOD;
    return (int)ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
6 Correct 3 ms 5344 KB Output is correct
7 Correct 16 ms 5344 KB Output is correct
8 Correct 9 ms 5344 KB Output is correct
9 Correct 3 ms 5344 KB Output is correct
10 Correct 9 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
6 Correct 3 ms 5344 KB Output is correct
7 Correct 9 ms 5344 KB Output is correct
8 Correct 13 ms 5344 KB Output is correct
9 Correct 3 ms 5344 KB Output is correct
10 Correct 16 ms 5344 KB Output is correct
11 Correct 0 ms 5344 KB Output is correct
12 Correct 0 ms 5344 KB Output is correct
13 Correct 6 ms 5344 KB Output is correct
14 Correct 0 ms 5344 KB Output is correct
15 Correct 13 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
6 Correct 0 ms 5344 KB Output is correct
7 Correct 0 ms 5344 KB Output is correct
8 Correct 0 ms 5344 KB Output is correct
9 Correct 0 ms 5344 KB Output is correct
10 Correct 0 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Correct 0 ms 5344 KB Output is correct
6 Correct 0 ms 5344 KB Output is correct
7 Correct 0 ms 5344 KB Output is correct
8 Correct 0 ms 5344 KB Output is correct
9 Correct 0 ms 5344 KB Output is correct
10 Correct 0 ms 5344 KB Output is correct
11 Correct 19 ms 5344 KB Output is correct
12 Correct 9 ms 5344 KB Output is correct
13 Correct 13 ms 5344 KB Output is correct
14 Correct 16 ms 5344 KB Output is correct
15 Correct 33 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Incorrect 0 ms 5344 KB Output isn't correct
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Incorrect 0 ms 5344 KB Output isn't correct
6 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 5344 KB Output is correct
2 Correct 0 ms 5344 KB Output is correct
3 Correct 0 ms 5344 KB Output is correct
4 Correct 0 ms 5344 KB Output is correct
5 Incorrect 0 ms 5344 KB Output isn't correct
6 Halted 0 ms 0 KB -